Question

In an examination 200 students failed in English and 800 failed in Physics. If total 900 students failed in any subject then how many failed in both?​

Answer 1

Answer:

1000

Step-by-step explanation:

As 800+200= 100

Answer 2

Answer:

100

Step-by-step explanation:

total  = n(E)+n(P)-n(both)

900 = 200+800-both

900-1000=-both

both = 100.